CVE-2009-4131

The EXT4_IOC_MOVE_EXT (aka move extents) ioctl implementation in the ext4 filesystem in the Linux kernel before 2.6.32-git6 allows local users to overwrite arbitrary files via a crafted request, related to insufficient checks for file permissions.

• CWE-264

• http://git.kernel.org/?p=linux/kernel/git/tytso/ext4.git%3Ba=commit%3Bh=4a58579b9e4e2a35d57e6c9c8483e52f6f1b7fd6
• http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
• http://lkml.org/lkml/2009/12/9/255Patch
• http://secunia.com/advisories/37658Vendor Advisory
• http://secunia.com/advisories/37686
• http://secunia.com/advisories/38017
• http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.32-git6.logPatch
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:329
• http://www.securityfocus.com/bid/37277Patch
• http://www.theregister.co.uk/2009/12/11/linux_kernel_bugs_patched/
• http://www.ubuntu.com/usn/USN-869-1
• http://www.vupen.com/english/advisories/2009/3468Patch, Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=544471Patch
• https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00702.html
• http://git.kernel.org/?p=linux/kernel/git/tytso/ext4.git%3Ba=commit%3Bh=4a58579b9e4e2a35d57e6c9c8483e52f6f1b7fd6
• http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
• http://lkml.org/lkml/2009/12/9/255Patch
• http://secunia.com/advisories/37658Vendor Advisory
• http://secunia.com/advisories/37686
• http://secunia.com/advisories/38017
• http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.32-git6.logPatch
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:329
• http://www.securityfocus.com/bid/37277Patch
• http://www.theregister.co.uk/2009/12/11/linux_kernel_bugs_patched/
• http://www.ubuntu.com/usn/USN-869-1
• http://www.vupen.com/english/advisories/2009/3468Patch, Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=544471Patch
• https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00702.html

Published

Dec 13, 2009

Last Modified

Jun 16, 2026

Status

Modified

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